@charset "utf-8";
.box{
    margin: auto;
    width: 1200px;
    height: 700px;
    background-color: rgb(222, 222, 222);
}
.im1{
    float: left;
    width: 290px;
    height: 370px;
}
.im1 img{
    width: 290px;
    height: 370px;
}
.im2{
    margin-left: 13px;
    width: 290px;
    height: 370px;
    float: left;
}
.im2 img{
    width: 290px;
    height: 370px;
}
.im3{
    float: left;
    margin-left: 13px;
    width: 290px;
    height: 180px;
}
.im{
    width: 290px;
    height: 180px;
}
.im4{
    float: left;
    margin-left: 13px;
    margin-top: 10px;
    width: 290px;
    height: 180px;
}
.im5{
    float: left;
    margin-top: 10px;
    width: 290px;
    height: 180px;
}